In experiment,different solvents were selected,the result showed that the ethanol is better.The recovery ratio of DOP is over percet 90%,and therecovery ratio of SnO is about 70%.

• 通过实验确定了DOP及催化剂氧化亚锡的回收工艺,且DOP的回收率达到90%25以上,氧化亚锡回收率达到70%25。